Good idea to check with edelbrock or a tuner.
This is a mismatch error. The throttle body is commanded to open to a certain position. The actual position reported by the sensor has to be within a certain range that agrees with the commanded position. If the two don't agree, you get p2101.
It is possible the airflow or vibration is moving the throttle plate causing a mismatch. It may be possible to reprogram the tolerance range for the two parameters to agree.
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